![]() ![]() Similarly, if a partitions is part of an LVM volume group the group name will be displayed under the Use column. If a partition is being used for software RAID, their raid device that it is part of will be shown. If the partition contains a filesystem, the amount of free disk space will be displayed as well. However, disks and partitions used for software RAID will be shown, but not the logical or virtual drives that they have been combined into.įor each disk, all partitions on it will be listed showing their type, start and end cylinders and current mount point or other use. ![]() If your system has configured RAID disks, the RAID devices will be shown instead of the actual underlying hard disks that make them up. When you enter the module, a page showing all hard disks and partitions found on your system will be displayed, as shown in Figure 8-1.Īll IDE and SCSI disks are shown, along with their manufacturers and model numbers. Partitions on Local Disks The Partitions on Local Disks moduleĪll disk partition management in Webmin is done using the Partitions on Local Disks module, which can be found under the Hardware category. Webmin tries to prevent this, but it is still possible to do a lot of damage with only a few mouse clicks! Normally you should only need to create or edit partitions when adding a new hard disk to your system. Because they contain filesystem data, deleting or modifying one could wipe out all your files or make your system unbootable. Each partition has a starting and ending cylinder, and occupies all the space on the disk between them.īe very careful when changing or re-formatting any existing partitions on your system. Larger hard disks generally have more cylinders, but due to different drive geometries this is not always the case. If you make use of an extended partition, there is effectively no limited on the number that your hard disk can contain.Įvery hard disk is divided into equal sized cylinders, which represent concentric circles on the surface of the disk. Because this is often not enough, it is possible for one of those four to be a special extended partition that can contain an unlimited number of logical partitions. On PC systems, each hard disk can only contain four primary partitions. However, when adding new partitions on your system you will very rarely use any types other than those specifically for Linux. Almost every kind of operating system that runs on PC hardware has its own partition type for its own filesystems. There is a type for Linux filesystems, a type for Linux swap space, a type for Windows filesystems and many more. As explained in chapter 5, each partition can be used for either a single filesystem or for virtual memory.Įvery partition has a type which identifies the kind of data that it stores. Sometimes an entire hard disk will be taken up by one partition, but usually your system will have at least two partitions on the primary disk - one for the root filesystem, and one for virtual memory (also known an swap space). 3 Adding and formatting a new partitionĪll hard disks used by Linux and other operating systems on PC hardware are divided into one or more non-overlapping regions called partitions. ![]()
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